<?php
namespace BP\Sys;
class ContrastAttr {
	public static $ContrastKey;	// String
	public static $KeyVal1;	// String
	public static $KeyVal2;	// String
	public static $SortBy;	// String
	public static $KeyOfNum;	// String
	public static $GroupWay;	// String
	public static $OrderWay;	// String
	public static function __staticinit() { // static class members
		self::$ContrastKey = "ContrastKey";
		self::$KeyVal1 = "KeyVal1";
		self::$KeyVal2 = "KeyVal2";
		self::$SortBy = "SortBy";
		self::$KeyOfNum = "KeyOfNum";
		self::$GroupWay = "GroupWay";
		self::$OrderWay = "OrderWay";
	}
}
ContrastAttr::__staticinit(); // initialize static vars for this class on load
?>
